EP1561924A3 - Moteur diesel à vitesse moyenne et grand alésage ayant la cuvette de couronne de piston avec l'angle de réentrée aigu - Google Patents

Moteur diesel à vitesse moyenne et grand alésage ayant la cuvette de couronne de piston avec l'angle de réentrée aigu Download PDF

Info

Publication number
EP1561924A3
EP1561924A3 EP05000062A EP05000062A EP1561924A3 EP 1561924 A3 EP1561924 A3 EP 1561924A3 EP 05000062 A EP05000062 A EP 05000062A EP 05000062 A EP05000062 A EP 05000062A EP 1561924 A3 EP1561924 A3 EP 1561924A3
Authority
EP
European Patent Office
Prior art keywords
crown bowl
acute
bore
entrant angle
bowl
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Withdrawn
Application number
EP05000062A
Other languages
German (de)
English (en)
Other versions
EP1561924A2 (fr
Inventor
Ramesh B. Poola
Nicholas Gryfakis
German A. Acosta
John L. Beasley
James L. Blase
Michael Goetzke
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Progress Rail Locomotive Inc
Original Assignee
Motors Liquidation Co
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Motors Liquidation Co filed Critical Motors Liquidation Co
Priority to EP10012586A priority Critical patent/EP2282084A1/fr
Publication of EP1561924A2 publication Critical patent/EP1561924A2/fr
Publication of EP1561924A3 publication Critical patent/EP1561924A3/fr
Withdrawn legal-status Critical Current

Links

Classifications

    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
    • F02B—INTERNAL-COMBUSTION PISTON ENGINES; COMBUSTION ENGINES IN GENERAL
    • F02B23/00—Other engines characterised by special shape or construction of combustion chambers to improve operation
    • F02B23/02—Other engines characterised by special shape or construction of combustion chambers to improve operation with compression ignition
    • F02B23/06—Other engines characterised by special shape or construction of combustion chambers to improve operation with compression ignition the combustion space being arranged in working piston
    • F02B23/0696—W-piston bowl, i.e. the combustion space having a central projection pointing towards the cylinder head and the surrounding wall being inclined towards the cylinder wall
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
    • F02B—INTERNAL-COMBUSTION PISTON ENGINES; COMBUSTION ENGINES IN GENERAL
    • F02B23/00—Other engines characterised by special shape or construction of combustion chambers to improve operation
    • F02B23/02—Other engines characterised by special shape or construction of combustion chambers to improve operation with compression ignition
    • F02B23/06—Other engines characterised by special shape or construction of combustion chambers to improve operation with compression ignition the combustion space being arranged in working piston
    • F02B23/0672—Omega-piston bowl, i.e. the combustion space having a central projection pointing towards the cylinder head and the surrounding wall being inclined towards the cylinder center axis
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
    • Y02T10/00—Road transport of goods or passengers
    • Y02T10/10—Internal combustion engine [ICE] based vehicles
    • Y02T10/12—Improving ICE efficiencies
EP05000062A 2004-02-06 2005-01-04 Moteur diesel à vitesse moyenne et grand alésage ayant la cuvette de couronne de piston avec l'angle de réentrée aigu Withdrawn EP1561924A3 (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
EP10012586A EP2282084A1 (fr) 2004-02-06 2005-01-04 Moteur à combustion interne comprenant une chemise de cylindre avec un segment racleur intégral

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US774296 2004-02-06
US10/774,296 US7438039B2 (en) 2004-02-06 2004-02-06 Large-bore, medium-speed diesel engine having piston crown bowl with acute re-entrant angle

Publications (2)

Publication Number Publication Date
EP1561924A2 EP1561924A2 (fr) 2005-08-10
EP1561924A3 true EP1561924A3 (fr) 2009-10-21

Family

ID=34679408

Family Applications (2)

Application Number Title Priority Date Filing Date
EP10012586A Withdrawn EP2282084A1 (fr) 2004-02-06 2005-01-04 Moteur à combustion interne comprenant une chemise de cylindre avec un segment racleur intégral
EP05000062A Withdrawn EP1561924A3 (fr) 2004-02-06 2005-01-04 Moteur diesel à vitesse moyenne et grand alésage ayant la cuvette de couronne de piston avec l'angle de réentrée aigu

Family Applications Before (1)

Application Number Title Priority Date Filing Date
EP10012586A Withdrawn EP2282084A1 (fr) 2004-02-06 2005-01-04 Moteur à combustion interne comprenant une chemise de cylindre avec un segment racleur intégral

Country Status (2)

Country Link
US (2) US7438039B2 (fr)
EP (2) EP2282084A1 (fr)

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US9932930B2 (en) 2014-01-14 2018-04-03 General Electric Company Piston with reduced top land height and tight top land piston profile
US9695723B2 (en) 2014-01-15 2017-07-04 General Electric Company Combustion system including a piston crown and fuel injector
US9822977B1 (en) * 2014-02-04 2017-11-21 Florida Turbine Technologies, Inc. Advanced lean burn injector igniter system
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DE102014005138A1 (de) * 2014-04-08 2015-10-08 Mtu Friedrichshafen Gmbh Kolben für eine Brennkraftmaschine
CN103939228A (zh) * 2014-05-07 2014-07-23 广西玉柴机器股份有限公司 船用发动机活塞
US9359971B2 (en) 2014-08-21 2016-06-07 General Electric Company System for controlling deposits on cylinder liner and piston of reciprocating engine
US9995213B2 (en) 2015-03-31 2018-06-12 Achates Power, Inc. Asymmetrically-shaped combustion chamber for opposed-piston engines
US9840965B2 (en) 2015-07-31 2017-12-12 Achates Power, Inc. Skewed combustion chamber for opposed-piston engines
US9938925B2 (en) 2016-05-16 2018-04-10 Caterpillar Inc. Cylinder liner with chamfer and anti-polishing cuff
US10718258B2 (en) * 2016-11-18 2020-07-21 GM Global Technology Operations LLC Spark-ignited direct-injection engine combustion systems
JP6485489B2 (ja) * 2017-05-23 2019-03-20 マツダ株式会社 エンジンの制御装置及びエンジンの制御方法
DE102017216996B3 (de) * 2017-09-26 2019-01-17 Bayerische Motoren Werke Aktiengesellschaft Verbrennungsmotor
KR102463469B1 (ko) * 2017-10-17 2022-11-04 현대자동차주식회사 리엔트랜트 연소실을 갖춘 디젤엔진
CN108343527A (zh) * 2018-03-14 2018-07-31 东风商用车有限公司 一种大敞口燃烧室及燃烧系统

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WO2003087561A1 (fr) * 2002-04-09 2003-10-23 Westport Research Inc. Procede et appareil d'injection de carburant dans un moteur a combustion interne

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US3489130A (en) * 1968-01-10 1970-01-13 Sealed Power Corp Piston and cylinder construction
US4858578A (en) * 1983-07-15 1989-08-22 Daimler-Benz Aktiengesellschaft Fuel injection nozzle arrangement
US5315973A (en) * 1988-11-29 1994-05-31 University Of British Columbia Intensifier-injector for gaseous fuel for positive displacement engines
US5081968A (en) * 1990-07-31 1992-01-21 Borgo Nova Spa Pistons for an internal combustion engine
WO1997003280A1 (fr) * 1995-07-07 1997-01-30 Man B & W Diesel A/S Moteur a combustion interne dote d'un anneau de grattage du depot charbonneux dans un cylindre
JPH11210467A (ja) * 1998-01-23 1999-08-03 Kubota Corp ディーゼルエンジンのリエントラント型燃焼室
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US6234134B1 (en) * 2000-06-20 2001-05-22 General Electric Company Internal combustion engine having integral anti-polishing ring
WO2003087561A1 (fr) * 2002-04-09 2003-10-23 Westport Research Inc. Procede et appareil d'injection de carburant dans un moteur a combustion interne

Also Published As

Publication number Publication date
EP1561924A2 (fr) 2005-08-10
US20050172926A1 (en) 2005-08-11
US7438039B2 (en) 2008-10-21
US20090039605A1 (en) 2009-02-12
EP2282084A1 (fr) 2011-02-09

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